P. Gofton

Assessment of radiologic progression in rheumatoid arthritis. A randomized, controlled trial.

H. Genant, F. Wolfe, J. Fries, 1986, Arthritis and rheumatism.

Radiographic assessment of progression in osteoarthritis.

T D Cooke, W A Murphy, D A Bloch, 1987, Arthritis and rheumatism.